<template>
    <el-upload class="avatar-uploader" action="" :show-file-list="false" :auto-upload="false" :on-change="handleChange">
        <img v-if="props.avatar" :src="uploadAvatar" class="avatar" />
        <el-icon v-else class="avatar-uploader-icon">
            <Plus />
        </el-icon>
    </el-upload>
</template>

<script setup>
import { defineProps ,defineEmits,computed} from 'vue';
import { Plus} from "@element-plus/icons-vue"

const props = defineProps({
    avatar:String
})

const emit = defineEmits(["fileChange"])
//选择完头像后的回调
const handleChange = (file) =>{
    // props.avatar = URL.createObjectURL(file.raw)
    // props.file = file.raw
    emit("fileChange",file.raw)
} 

const uploadAvatar = computed(() => props.avatar.includes("blob") ? props.avatar : 'http://localhost:3000' + props.avatar
)
</script>


<style lang="scss" scoped>
::v-deep  .el-upload {
  border: 1px dashed var(--el-border-color);
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--el-transition-duration-fast);
}

::v-deep  .el-upload:hover {
  border-color: var(--el-color-primary);
}

::v-deep .el-icon.avatar-uploader-icon ,.avatar{
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  text-align: center;
}
</style>